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AT49F1024 데이터시트 PDF




ATMEL Corporation에서 제조한 전자 부품 AT49F1024은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


 

PDF 형식의 AT49F1024 자료 제공

부품번호 AT49F1024 기능
기능 1-Megabit 5-volt Only Flash Memory
제조업체 ATMEL Corporation
로고 ATMEL Corporation 로고


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AT49F1024 데이터시트, 핀배열, 회로
Features
Single Voltage Operation
– 5V Read
– 5V Reprogramming
Fast Read Access Time - 45 ns
Internal Program Control and Timer
8K word Boot Block With Lockout
Fast Erase Cycle Time - 10 seconds
Word By Word Programming - 10 µs/Word Typical
Hardware Data Protection
DATA Polling For End Of Program Detection
Small 10 x 14 mm VSOP Package
Typical 10,000 Write Cycles
Description
The AT49F1024 and the AT49F1025 are 5-volt-only in-system Flash Memories. Their
1 megabit of memory is organized as 65,536 words by 16 bits. Manufactured with
Atmel’s advanced nonvolatile CMOS technology, the devices offer access times to 45
ns with power dissipation of just 275 mW over the commercial temperature range.
When the device is deselected, the CMOS standby current is less than 100 µA. The
only difference between the AT49F1024 and the AT49F1025 is the pinout. The
AT49F1024 is pin compatable with the AT27C1024, and the AT49F1025 is pin com-
patable with the AT29C1024.
(continued)
Pin Configurations
Pin Name Function
A0 - A15
Addresses
CE Chip Enable
OE Output Enable
WE Write Enable
I/O0 - I/O15 Data Inputs/Outputs
NC No Connect
AT49F1025 VSOP Top View
Type 1
10 x 14 mm
A0
A1
A2
A3
A4
A5
A6
A7
A8
GND
A9
A10
A11
A12
A13
A14
A15
NC
WE
VCC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
10 x 14 mm
40 OE
39 I/O0
38 I/O1
37 I/O2
36 I/O3
35 I/O4
34 I/O5
33 I/O6
32 I/07
31 GND
30 I/O8
29 I/O9
28 I/O10
27 I/O11
26 I/O12
25 I/O13
24 I/O14
23 I/O15
22 NC
21 CE
AT49F1024 VSOP Top View
Type 1
10 x 14 mm
A9
A10
A11
A12
A13
A14
A15
NC
WE
VCC
NC
CE
I/O15
I/O14
I/O13
I/O12
I/O11
I/O10
I/O9
I/O8
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
40 GND
39 A8
38 A7
37 A6
36 A5
35 A4
34 A3
33 A2
32 A1
31 A0
30 OE
29 I/O0
28 I/O1
27 I/O2
26 I/O3
25 I/O4
24 I/O5
23 I/O6
22 I/O7
21 GND
PLCC Top View
I/O12
I/O11
I/O10
I/O9
I/O8
GND
NC
I/O7
I/O6
I/O5
I/O4
7
8
9
10
11
12
13
14
15
16
17
39 A13
38 A12
37 A11
36 A10
35 A9
34 GND
33 NC
32 A8
31 A7
30 A6
29 A5
1-Megabit
(64K x 16)
5-volt Only
Flash Memory
AT49F1024
AT49F1025
Rev. 0765D–09/98
1




AT49F1024 pdf, 반도체, 판매, 대치품
Command Definition (in Hex)
Command
Sequence
Bus
Cycles
1st Bus
Cycle
Addr Data
2nd Bus
Cycle
Addr Data
3rd Bus
Cycle
Addr Data
4th Bus
Cycle
Addr Data
5th Bus
Cycle
Addr Data
Read
Chip Erase
1 Addr DOUT
6 5555 AA 2AAA 55 5555 80 5555 AA 2AAA 55
Main Memory Erase
6 5555 AA 2AAA 55 5555 80 5555 AA 2AAA 55
Word Program
4 5555 AA 2AAA 55 5555 A0 Addr DIN
Boot Block Lockout(2) 6 5555 AA 2AAA 55 5555 80 5555 AA 2AAA 55
Product ID Entry
3 5555 AA 2AAA 55 5555 90
Product ID Exit(3)
3 5555 AA 2AAA 55 5555 F0
Product ID Exit(3)
1 xxxx F0
Notes: 1. The DATA FORMAT in each bus cycle is as follows: I/O15 - I/O8 (Don’t Care); I/O7 - I/O0 (Hex).
2. The 8K word boot sector has the address range 00000H to 1FFFH.
3. Either one of the Product ID Exit commands can be used.
6th Bus
Cycle
Addr Data
5555
5555
10
30
5555 40
Absolute Maximum Ratings*
Temperature Under Bias ................................ -55°C to +125°C
Storage Temperature ..................................... -65°C to +150°C
All Input Voltages
(including NC Pins)
with Respect to Ground ...................................-0.6V to +6.25V
All Output Voltages
with Respect to Ground .............................-0.6V to VCC + 0.6V
Voltage on OE
with Respect to Ground ...................................-0.6V to +13.5V
*NOTICE:
Stresses beyond those listed under “Absolute
Maximum Ratings” may cause permanent dam-
age to the device. This is a stress rating only and
functional operation of the device at these or any
other conditions beyond those indicated in the
operational sections of this specification is not
implied. Exposure to absolute maximum rating
conditions for extended periods may affect device
reliability.
4 AT49F1024/1025

4페이지










AT49F1024 전자부품, 판매, 대치품
AT49F1024/1025
AC Word Load Characteristics
Symbol
tAS, tOES
tAH
tCS
tCH
tWP
tDS
tDH, tOEH
tWPH
Parameter
Address, OE Set-up Time
Address Hold Time
Chip Select Set-up Time
Chip Select Hold Time
Write Pulse Width (WE or CE)
Data Set-up Time
Data, OE Hold Time
Write Pulse Width High
AC Word Load Waveforms
WE Controlled
OE
ADDRESS
CE
tOES
tAS
WE tCS
tAH
DATA IN
tWP
tDS
Min
0
50
0
0
90
50
0
90
tOEH
tCH
tWPH
tDH
CE Controlled
OE
ADDRESS
WE
CE
DATA IN
tOES
tAS
tCS
tOEH
tAH tCH
tWP
tDS
tWPH
tDH
Max
Units
ns
ns
ns
ns
ns
ns
ns
ns
7

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